Add support for CoreOS

attributes/default.rb

@@ -17,7 +17,7 @@
 
 default[:consul][:base_url] = 'https://dl.bintray.com/mitchellh/consul/'
 default[:consul][:version] = '0.4.1'
-default[:consul][:install_dir] = '/usr/local/bin'
+default[:consul][:install_dir] = (node[:platform] == 'coreos' ? '/opt/bin' : '/usr/local/bin')
 default[:consul][:checksums] = {
   '0.4.1_darwin_amd64' => '957fe9ba27bbaf99539cd534db8ac8ec4c9fa1c6b3b4675d0c0eb3a7fbfb646c',
   '0.4.1_linux_386'    => 'a496d6fd8ff5b460aea50be5d20fbd95cb5d30e9018259a0540273a17fae1c25',

metadata.rb

@@ -4,7 +4,7 @@
 license 'Apache v2.0'
 description 'Installs/Configures consul'
 long_description 'Installs/Configures consul'
-version '0.6.0'
+version '0.6.1'
 
 recipe 'consul', 'Installs and starts consul service.'
 recipe 'consul::install_binary', 'Installs consul service from binary.'

recipes/_service.rb

@@ -98,14 +98,28 @@
   content JSON.pretty_generate(service_config, quirks_mode: true)
 end
 
-template '/etc/init.d/consul' do
-  source 'consul-init.erb'
-  mode 0755
-  variables(
-            consul_binary: "#{node[:consul][:install_dir]}/consul",
-            config_dir: node[:consul][:config_dir],
-            )
-  notifies :restart, 'service[consul]', :immediately
+if node[:platform] == "coreos"
+  template '/etc/systemd/system/consul.service' do
+    source 'consul-systemd.erb'
+    mode 0755
+    variables(
+              user: consul_user,
+              group: consul_group,
+              consul_binary: "#{node[:consul][:install_dir]}/consul",
+              config_dir: node[:consul][:config_dir],
+              )
+    notifies :restart, 'service[consul]', :immediately
+  end
+else
+  template '/etc/init.d/consul' do
+    source 'consul-init.erb'
+    mode 0755
+    variables(
+              consul_binary: "#{node[:consul][:install_dir]}/consul",
+              config_dir: node[:consul][:config_dir],
+              )
+    notifies :restart, 'service[consul]', :immediately
+  end
 end
 
 service 'consul' do

recipes/install.rb

@@ -19,8 +19,11 @@
 install_arch = node[:kernel][:machine] =~ /x86_64/ ? 'amd64' : '386'
 install_version = [node[:consul][:version], node[:os], install_arch].join('_')
 install_checksum = node[:consul][:checksums].fetch(install_version)
+install_dir = node[:consul][:install_dir]
 
-package "unzip"
+package "unzip" do
+  not_if "which unzip"
+end
 
 bash "Fetch consul for #{install_version}" do
   code <<EOC
@@ -31,7 +34,8 @@
 echo '#{install_checksum}  #{install_version}.zip' > sha256sums
 sha256sum -c --status sha256sums
 unzip "#{install_version}.zip"
-mv consul /usr/local/bin
+mkdir -p #{install_dir}
+mv consul #{install_dir}
 EOC
 end
 include_recipe 'consul::_service'

recipes/ui.rb

@@ -16,7 +16,9 @@
 install_version = [node[:consul][:version], 'web_ui'].join('_')
 install_checksum = node[:consul][:checksums].fetch(install_version)
 
-package "unzip"
+package "unzip" do
+  not_if "which unzip"
+end
 
 bash "Fetch consul UI for #{install_version}" do
   code <<EOC

templates/default/consul-systemd.erb

@@ -0,0 +1,16 @@
+[Unit]
+Description=Consul Agent
+Wants=basic.target
+After=basic.target network.target
+
+[Service]
+User=<%= @user %>
+Group=<%= @group %>
+ExecStart=<%= @consul_binary %> agent -config-dir <%= @config_dir %>
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=process
+Restart=on-failure
+RestartSec=42s
+
+[Install]
+WantedBy=multi-user.target